Climateby Month

Big Bear Lake, CA climate by month

NOAA 1991-2020 normals · 6,752 ft elevation

Summers in Big Bear Lake are warm; winters are chilly and snowy. Highs peak at 80°F in July and fall to 46°F in February. The wettest month is February (about 7 wet days) and the driest is June (about 1). Normal snowfall is about 59 in a year. The most comfortable time to visit is September.

Warmest month
80°F
July normal high
Coldest month
24°F
December normal low
Wet days a year
43
20.0 in of precipitation
Snow a year
58.6 in
normal snowfall

How warm is Big Bear Lake?

Normal highs range from 46°F in February to 80°F in July.

20°40°60°80° January: normal high 46°F (8°C), low 24°F (-4°C) 46° 24° February: normal high 46°F (8°C), low 24°F (-4°C) March: normal high 51°F (11°C), low 27°F (-3°C) April: normal high 57°F (14°C), low 31°F (-1°C) May: normal high 66°F (19°C), low 37°F (3°C) June: normal high 75°F (24°C), low 44°F (7°C) July: normal high 80°F (27°C), low 51°F (11°C) 80° 51° August: normal high 79°F (26°C), low 50°F (10°C) September: normal high 73°F (23°C), low 44°F (7°C) October: normal high 63°F (17°C), low 35°F (2°C) November: normal high 54°F (12°C), low 28°F (-2°C) December: normal high 46°F (8°C), low 24°F (-4°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Big Bear Lake?

February has the most wet days (about 7); the year brings about 20 in of precipitation.

January: 7 wet days February: 7 wet days 7 March: 6 wet days April: 4 wet days May: 2 wet days June: 1 wet days 1 July: 3 wet days August: 3 wet days September: 2 wet days October: 2 wet days November: 3 wet days December: 5 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 58.6 in a year, most of it in February.

January: 13.4 in of snow February: 14.3 in of snow 14.3 March: 11.7 in of snow April: 3.0 in of snow May: 0.6 in of snow June: 0.0 in of snow 0.0 July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 1.2 in of snow November: 3.4 in of snow December: 11.0 in of snow JFMAMJJASOND

How humid is Big Bear Lake?

Humidity data is not available for this location.

How much daylight?

Daylight ranges from about 9.9 hours in December to 14.4 hours in June.

January: 10.2 hours of daylight February: 11.0 hours of daylight March: 12.0 hours of daylight April: 13.1 hours of daylight May: 13.9 hours of daylight June: 14.4 hours of daylight 14.4 July: 14.2 hours of daylight August: 13.4 hours of daylight September: 12.4 hours of daylight October: 11.3 hours of daylight November: 10.4 hours of daylight December: 9.9 hours of daylight 9.9 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Big Bear Lake, 1991-2020
MonthHighLowPrecip.Wet daysSnowDaylight
January 46°F24°F 4.5 in7 13.4 in 10.2 h
February 46°F24°F 4.4 in7 14.3 in 11.0 h
March 51°F27°F 2.4 in6 11.7 in 12.0 h
April 57°F31°F 0.8 in4 3.0 in 13.1 h
May 66°F37°F 0.4 in2 0.6 in 13.9 h
June 75°F44°F 0.1 in1 0.0 in 14.4 h
July 80°F51°F 0.7 in3 0.0 in 14.2 h
August 79°F50°F 0.8 in3 0.0 in 13.4 h
September 73°F44°F 0.4 in2 0.0 in 12.4 h
October 63°F35°F 0.8 in2 1.2 in 11.3 h
November 54°F28°F 1.4 in3 3.4 in 10.4 h
December 46°F24°F 3.3 in5 11.0 in 9.9 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Big Bear Lake

By our comfort score, the best month is September.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 40057
Feb 41057
Mar 50244
Apr 63922
May 822010
Jun 831900
Jul 731321
Aug 751620
Sep 872610
Oct 731810
Nov 51422
Dec 40147

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. Comfortable days here are judged by temperature only (no humidity station nearby). How the score works.

Frost dates in Big Bear Lake

The last spring frost typically comes around May 27, and the first fall frost around Oct 4, leaving 131 frost-free days in a typical year.

Frost and freeze dates for Big Bear Lake
Typical date1 year in 10
Last spring frost (32°F)May 27after Jun 9
First fall frost (32°F)Oct 4before Sep 21
Last hard freeze (28°F)May 4after May 27
First hard freeze (28°F)Oct 20before Oct 4
Frost-free season131 daysunder 109 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Big Bear Lake (USC00040741), NOAA 1991-2020 freeze probabilities. Frost dates for every city in California.

Hottest and coldest readings, 1991-2020

The highest reading was 98°F (June 30, 1994); the lowest was -7°F (January 3, 1993).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Big Bear Lake

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Big Bear Lake (USC00040741), 0.3 mi W of the city center, 6,753 ft . NOAA normals and daily records, 1991-2020.
  • Not available for this location: snow depth, humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error